For When You Can't Have The Real Thing
[ start | index | login ]
start > Linux > Reading BIOS Information

Reading BIOS Information

Created by dave. Last edited by dave, 13 years and 334 days ago. Viewed 11,827 times. #2
[diff] [history] [edit] [rdf]
labels
attachments

Reading BIOS information on Linux

In the kernel-utils package, you will find dmidecode.

This is a dump of dmidecode on an Asus P3V4X.

# dmidecode 2.2
SMBIOS 2.3 present.
48 structures occupying 1392 bytes.
Table at 0x000F1F30.
Handle 0x0000
        DMI type 0, 20 bytes.
        BIOS Information
                Vendor: Award Software, Inc.
                Version: ASUS P3V4X ACPI BIOS Revision 1005
                Release Date: 06/12/2000
                Address: 0xF0000
                Runtime Size: 64 kB
                ROM Size: 256 kB
                Characteristics:
                        ISA is supported
                        PCI is supported
                        PNP is supported
                        APM is supported
                        BIOS is upgradeable
                        BIOS shadowing is allowed
                        ESCD support is available
                        Boot from CD is supported
                        Selectable boot is supported
                        BIOS ROM is socketed
                        EDD is supported
                        5.25"/360 KB floppy services are supported (int 13h)
                        5.25"/1.2 MB floppy services are supported (int 13h)
                        3.5"/720 KB floppy services are supported (int 13h)
                        3.5"/2.88 MB floppy services are supported (int 13h)
                        Print screen service is supported (int 5h)
                        8042 keyboard services are supported (int 9h)
                        Serial services are supported (int 14h)
                        Printer services are supported (int 17h)
                        CGA/mono video services are supported (int 10h)
                        ACPI is supported
                        AGP is supported
Handle 0x0001
        DMI type 1, 25 bytes.
        System Information
                Manufacturer: System Manufacturer
                Product Name: System Name
                Version: System Version
                Serial Number: SYS-1234567890
                UUID: Not Settable
                Wake-up Type: Power Switch
Handle 0x0002
        DMI type 2, 8 bytes.
        Base Board Information
                Manufacturer: ASUSTeK Computer INC.
                Product Name: P3V4X
                Version: REV 1.xx
                Serial Number: xxxxxxxxxxx
Handle 0x0003
        DMI type 3, 17 bytes.
        Chassis Information
                Manufacturer: Chassis Manufacture
                Type: Tower
                Lock: Not Present
                Version: Chassis Version
                Serial Number: Chassis Serial Number
                Asset Tag: Asset-1234567890
                Boot-up State: Safe
                Power Supply State: Safe
                Thermal State: Safe
                Security Status: Unknown
                OEM Information: 0x00000000
Handle 0x0004
        DMI type 4, 32 bytes.
        Processor Information
                Socket Designation: SLOT 1
                Type: Central Processor
                Family: Pentium III
                Manufacturer: genuine intel
                ID: 83 06 00 00 FF F9 87 03
                Signature: Type 0, Family 6, Model 8, Stepping 3
                Flags:
                        FPU (Floating-point unit on-chip)
                        VME (Virtual mode extension)
                        DE (Debugging extension)
                        PSE (Page size extension)
                        TSC (Time stamp counter)
                        MSR (Model specific registers)
                        PAE (Physical address extension)
                        MCE (Machine check exception)
                        CX8 (CMPXCHG8 instruction supported)
                        SEP (Fast system call)
                        MTRR (Memory type range registers)
                        PGE (Page global enable)
                        MCA (Machine check architecture)
                        CMOV (Conditional move instruction supported)
                        PAT (Page attribute table)
                        PSE-36 (36-bit page size extension)
                        PSN (Processor serial number present and enabled)
                        MMX (MMX technology supported)
                        FXSR (Fast floating-point save and restore)
                        SSE (Streaming SIMD extensions)
                Version: Intel Pentium III Processor
                Voltage: 2.9 V
                External Clock: 133 MHz
                Max Speed: 800 MHz
                Current Speed: 733 MHz
                Status: Populated, Enabled
                Upgrade: Slot 1
                L1 Cache Handle: 0x000A
                L2 Cache Handle: 0x000B
                L3 Cache Handle: Not Provided
Handle 0x0005
        DMI type 5, 24 bytes.
        Memory Controller Information
                Error Detecting Method: None
                Error Correcting Capabilities:
                        Other
                Supported Interleave: Unknown
                Current Interleave: Unknown
                Maximum Memory Module Size: 512 MB
                Maximum Total Memory Size: 2048 MB
                Supported Speeds:
                        70 ns
                        60 ns
                        50 ns
                Supported Memory Types:
                        DIMM
                        SDRAM
                Memory Module Voltage: 3.3 V
                Associated Memory Slots: 4
                        0x0006
                        0x0007
                        0x0008
                        0x0009
                Enabled Error Correcting Capabilities:
                        Unknown
Handle 0x0006
        DMI type 6, 12 bytes.
        Memory Module Information
                Socket Designation: DIMM 1
                Bank Connections: 0 1
                Current Speed: Unknown
                Type: DIMM SDRAM
                Installed Size: 128 MB (Double-bank Connection)
                Enabled Size: 128 MB (Double-bank Connection)
                Error Status: OK
Handle 0x0007
        DMI type 6, 12 bytes.
        Memory Module Information
                Socket Designation: DIMM 2
                Bank Connections: 2 3
                Current Speed: Unknown
                Type: DIMM SDRAM
                Installed Size: 256 MB (Single-bank Connection)
                Enabled Size: 256 MB (Single-bank Connection)
                Error Status: OK
Handle 0x0008
        DMI type 6, 12 bytes.
        Memory Module Information
                Socket Designation: DIMM 3
                Bank Connections: 4 5
                Current Speed: Unknown
                Type: DIMM SDRAM
                Installed Size: Not Installed (Single-bank Connection)
                Enabled Size: Not Installed (Single-bank Connection)
                Error Status: OK
Handle 0x0009
        DMI type 6, 12 bytes.
        Memory Module Information
                Socket Designation: DIMM 4
                Bank Connections: 6 7
                Current Speed: Unknown
                Type: DIMM SDRAM
                Installed Size: Not Installed (Single-bank Connection)
                Enabled Size: Not Installed (Single-bank Connection)
                Error Status: OK
Handle 0x000A
        DMI type 7, 19 bytes.
        Cache Information
                Socket Designation: L1 Cache
                Configuration: Enabled, Not Socketed, Level 1
                Operational Mode: Write Back
                Location: Internal
                Installed Size: 32 KB
                Maximum Size: 32 KB
                Supported SRAM Types:
                        Pipeline Burst
                        Synchronous
                Installed SRAM Type: Pipeline Burst Synchronous
                Speed: Unknown
                Error Correction Type: Unknown
                System Type: Data
                Associativity: 4-way Set-associative
Handle 0x000B
        DMI type 7, 19 bytes.
        Cache Information
                Socket Designation: L2 Cache
                Configuration: Enabled, Not Socketed, Level 2
                Operational Mode: Write Back
                Location: Internal
                Installed Size: 256 KB
                Maximum Size: 512 KB
                Supported SRAM Types:
                        Pipeline Burst
                        Synchronous
                Installed SRAM Type: Pipeline Burst Synchronous
                Speed: Unknown
                Error Correction Type: Unknown
                System Type: Data
                Associativity: 4-way Set-associative
Handle 0x000C
        DMI type 8, 9 bytes.
        Port Connector Information
                Internal Reference Designator: PRIMARY IDE/HDD
                Internal Connector Type: On Board IDE
                External Reference Designator: Not Specified
                External Connector Type: None
                Port Type: None
Handle 0x000D
        DMI type 8, 9 bytes.
        Port Connector Information
                Internal Reference Designator: SECONDARY IDE/HDD
                Internal Connector Type: On Board IDE
                External Reference Designator: Not Specified
                External Connector Type: None
                Port Type: None
Handle 0x000E
        DMI type 8, 9 bytes.
        Port Connector Information
                Internal Reference Designator: FLOPPY
                Internal Connector Type: On Board Floppy
                External Reference Designator: Not Specified
                External Connector Type: None
                Port Type: None
Handle 0x000F
        DMI type 8, 9 bytes.
        Port Connector Information
                Internal Reference Designator: Not Specified
                Internal Connector Type: None
                External Reference Designator: USB1
                External Connector Type: Access Bus (USB)
                Port Type: USB
Handle 0x0010
        DMI type 8, 9 bytes.
        Port Connector Information
                Internal Reference Designator: Not Specified
                Internal Connector Type: None
                External Reference Designator: USB2
                External Connector Type: Access Bus (USB)
                Port Type: USB
Handle 0x0011
        DMI type 8, 9 bytes.
        Port Connector Information
                Internal Reference Designator: Not Specified
                Internal Connector Type: None
                External Reference Designator: PS/2 Keybaord
                External Connector Type: PS/2
                Port Type: Keyboard Port
Handle 0x0012
        DMI type 8, 9 bytes.
        Port Connector Information
                Internal Reference Designator: Not Specified
                Internal Connector Type: None
                External Reference Designator: PS/2 Mouse
                External Connector Type: PS/2
                Port Type: Mouse Port
Handle 0x0013
        DMI type 8, 9 bytes.
        Port Connector Information
                Internal Reference Designator: Not Specified
                Internal Connector Type: None
                External Reference Designator: Parallel Port
                External Connector Type: DB-25 female
                Port Type: Parallel Port ECP/EPP
Handle 0x0014
        DMI type 8, 9 bytes.
        Port Connector Information
                Internal Reference Designator: Not Specified
                Internal Connector Type: None
                External Reference Designator: Serial Port
                External Connector Type: DB-9 male
                Port Type: Serial Port 16550 Compatible
Handle 0x0015
        DMI type 8, 9 bytes.
        Port Connector Information
                Internal Reference Designator: Not Specified
                Internal Connector Type: None
                External Reference Designator: Serial Port 2
                External Connector Type: DB-9 male
                Port Type: Serial Port 16550 Compatible
Handle 0x0016
        DMI type 8, 9 bytes.
        Port Connector Information
                Internal Reference Designator: Not Specified
                Internal Connector Type: None
                External Reference Designator: Joystick Port
                External Connector Type: DB-15 female
                Port Type: Joystick Port
Handle 0x0017
        DMI type 8, 9 bytes.
        Port Connector Information
                Internal Reference Designator: Not Specified
                Internal Connector Type: None
                External Reference Designator: MIDI Port
                External Connector Type: DB-15 female
                Port Type: MIDI Port
Handle 0x0018
        DMI type 8, 9 bytes.
        Port Connector Information
                Internal Reference Designator: Not Specified
                Internal Connector Type: None
                External Reference Designator: Video Port
                External Connector Type: Mini Jack (headphones)
                Port Type: Video Port
Handle 0x0019
        DMI type 9, 13 bytes.
        System Slot Information
                Designation: PCI 1
                Type: 32-bit PCI
                Current Usage: Available
                Length: Long
                ID: 0
                Characteristics:
                        5.0 V is provided
                        3.3 V is provided
                        PME signal is supported
Handle 0x001A
        DMI type 9, 13 bytes.
        System Slot Information
                Designation: PCI 2
                Type: 32-bit PCI
                Current Usage: In Use
                Length: Long
                ID: 0
                Characteristics:
                        5.0 V is provided
                        3.3 V is provided
                        PME signal is supported
Handle 0x001B
        DMI type 9, 13 bytes.
        System Slot Information
                Designation: PCI 3
                Type: 32-bit PCI
                Current Usage: In Use
                Length: Long
                ID: 0
                Characteristics:
                        5.0 V is provided
                        3.3 V is provided
                        PME signal is supported
Handle 0x001C
        DMI type 9, 13 bytes.
        System Slot Information
                Designation: PCI 4
                Type: 32-bit PCI
                Current Usage: Available
                Length: Long
                ID: 0
                Characteristics:
                        5.0 V is provided
                        3.3 V is provided
                        PME signal is supported
Handle 0x001D
        DMI type 9, 13 bytes.
        System Slot Information
                Designation: PCI 5
                Type: 32-bit PCI
                Current Usage: In Use
                Length: Long
                ID: 0
                Characteristics:
                        5.0 V is provided
                        3.3 V is provided
                        PME signal is supported
Handle 0x001E
        DMI type 9, 13 bytes.
        System Slot Information
                Designation: PCI 6
                Type: 32-bit PCI
                Current Usage: In Use
                Length: Long
                ID: 0
                Characteristics:
                        5.0 V is provided
                        3.3 V is provided
                        PME signal is supported
Handle 0x001F
        DMI type 9, 13 bytes.
        System Slot Information
                Designation: AGP
                Type: 32-bit AGP 2x
                Current Usage: In Use
                Length: Long
                ID: 0
                Characteristics:
                        5.0 V is provided
                        3.3 V is provided
Handle 0x0020
        DMI type 9, 13 bytes.
        System Slot Information
                Designation: ISA 1
                Type: 16-bit ISA
                Current Usage: Unknown
                Length: Long
                Characteristics:
                        5.0 V is provided
Handle 0x0021
        DMI type 13, 22 bytes.
        BIOS Language Information
                Installable Languages: 1
                        en|US|iso8859-1
                Currently Installed Language: en|US|iso8859-1
Handle 0x0022
        DMI type 14, 14 bytes.
        Group Associations
                Name: Cpu Module
                Items: 3
                        0x0004 (Processor)
                        0x000A (Cache)
                        0x000B (Cache)
Handle 0x0023
        DMI type 14, 35 bytes.
        Group Associations
                Name: Memory Module Set
                Items: 10
                        0x0024 (Physical Memory Array)
                        0x0025 (Memory Device)
                        0x002A (Memory Device Mapped Address)
                        0x0026 (Memory Device)
                        0x002B (Memory Device Mapped Address)
                        0x0027 (Memory Device)
                        0x002C (Memory Device Mapped Address)
                        0x0028 (Memory Device)
                        0x002D (Memory Device Mapped Address)
                        0x0029 (Memory Array Mapped Address)
Handle 0x0024
        DMI type 16, 15 bytes.
        Physical Memory Array
                Location: System Board Or Motherboard
                Use: System Memory
                Error Correction Type: None
                Maximum Capacity: 1 GB
                Error Information Handle: Not Provided
                Number Of Devices: 4
Handle 0x0025
        DMI type 17, 23 bytes.
        Memory Device
                Array Handle: 0x0024
                Error Information Handle: No Error
                Total Width: 72 bits
                Data Width: 64 bits
                Size: 128 MB
                Form Factor: DIMM
                Set: 1
                Locator: DIMM 1
                Bank Locator: Not Specified
                Type: DRAM
                Type Detail: Synchronous
                Speed: Unknown
Handle 0x0026
        DMI type 17, 23 bytes.
        Memory Device
                Array Handle: 0x0024
                Error Information Handle: No Error
                Total Width: 72 bits
                Data Width: 64 bits
                Size: 256 MB
                Form Factor: DIMM
                Set: 2
                Locator: DIMM 2
                Bank Locator: Not Specified
                Type: DRAM
                Type Detail: Synchronous
                Speed: Unknown
Handle 0x0027
        DMI type 17, 23 bytes.
        Memory Device
                Array Handle: 0x0024
                Error Information Handle: No Error
                Total Width: Unknown
                Data Width: Unknown
                Size: No Module Installed
                Form Factor: DIMM
                Set: 2
                Locator: DIMM 3
                Bank Locator: Not Specified
                Type: DRAM
                Type Detail: Synchronous
                Speed: Unknown
Handle 0x0028
        DMI type 17, 23 bytes.
        Memory Device
                Array Handle: 0x0024
                Error Information Handle: No Error
                Total Width: Unknown
                Data Width: Unknown
                Size: No Module Installed
                Form Factor: DIMM
                Set: 2
                Locator: DIMM 4
                Bank Locator: Not Specified
                Type: DRAM
                Type Detail: Synchronous
                Speed: Unknown
Handle 0x0029
        DMI type 19, 15 bytes.
        Memory Array Mapped Address
                Starting Address: 0x00000000000
                Ending Address: 0x060000003FF
                Range Size: 402653185 kB
                Physical Array Handle: 0x0024
                Partition Width: 0
Handle 0x002A
        DMI type 20, 19 bytes.
        Memory Device Mapped Address
                Starting Address: 0x00000000000
                Ending Address: 0x00007FFFFFF
                Range Size: 128 MB
                Physical Device Handle: 0x0025
                Memory Array Mapped Address Handle: 0x0029
                Partition Row Position: 1
Handle 0x002B
        DMI type 20, 19 bytes.
        Memory Device Mapped Address
                Starting Address: 0x00008000000
                Ending Address: 0x00017FFFFFF
                Range Size: 256 MB
                Physical Device Handle: 0x0026
                Memory Array Mapped Address Handle: 0x0029
                Partition Row Position: 2
Handle 0x002C
        DMI type 126, 19 bytes.
        Inactive
Handle 0x002D
        DMI type 126, 19 bytes.
        Inactive
Handle 0x002E
        DMI type 32, 11 bytes.
        System Boot Information
                Status: No errors detected
Handle 0x002F
        DMI type 127, 4 bytes.
        End Of Table
no comments | post comment
This is a collection of techical information, much of it learned the hard way. Consider it a lab book or a /info directory. I doubt much of it will be of use to anyone else.

Useful:


snipsnap.org | Copyright 2000-2002 Matthias L. Jugel and Stephan J. Schmidt